卵形的

Based on this definition, the curvature、regular and integral properties of the general offset curve are discussed. As a result, J.steiners celebrated theorem of the oval is developed.

并在此基础上做相应的讨论，研究其正则性、曲率和积分性质，推广了J.steiner关于卵形线的外等距线所围面积的一个著名定理。

Methods8 species of its fruit were observed under light microscope and scanning electron microscope, and most of them were examined for the first time.resultsthe shapes of fruit are usually different from each other;there are obvious differences in color;the types of ornamentation of fruit coat are mainly similar to ruga and washboard.

方法对菊属8种植物的果实进行了光学显微镜与扫描电子显微镜下的形态特征观察研究，其电镜资料为首次报道。结果果实形态多为椭圆形、卵形和矩圆形；颜色为灰褐色至黑色；表面纹饰以皱褶状和搓板状为主。在大小、表面纹饰等方面表现出明显的种间差异。

Spikelets with 2–7 florets; rachilla thick, disarticulating below each floret; glumes shorter than lemmas, 1–3-veined, cartilaginous in lower part, apex obtuse or acute; lemmas oblong to ovate, subcartilaginous, 3–5-veined, glabrous, strongly keeled above middle, apex obtuse; palea as long as lemma, scabrid along keel.

小穗具2-7小花；在每小花下面厚，脱节的小穗轴；颖片短于外稃，1-3脉，软骨质的在下部，先端钝或锐尖；外稃长圆形到卵形，subcartilaginous，3-5脉，无毛，强烈龙骨状的在中部以上，先端钝；内稃倍于外稃，沿着龙骨粗糙。

Sepals ovate or oblong, suberect, base of lateral pair not saccate or subsaccate.

或长圆形，近直立的萼片卵形，侧对并非囊状的或近囊状的基部。

Corolla funnelform; tube usually longer than calyx; throat appendages elongated, curved, or oblong, rarely reduced, becoming ovate, entire at apex; lobes of limb subvertical or spreading, obtuse.

花冠漏斗状筒部比花萼通常长；喉附属物拉长，弄弯，或长圆形，很少退化，变得的卵形，全缘的在先端；瓣片subvertical或开展的裂片，钝。

Seeds uniseriate, wingless, oblong or ovate, plump; seed coat reticulate or papillate, not mucilaginous when wetted; cotyledons incumbent or obliquely so.

单列的种子，无翅，长圆形或卵形，肥厚；种皮网状或具乳突，不黏什么时候弄湿；如此的子叶现任的或斜。

Seeds uniseriate, wingless, oblong or ovate, plump or slightly flattened; seed coat reticulate, not mucilaginous when wetted; cotyledons incumbent or rarely accumbent.

单列的种子，无翅，长圆形或卵形，肥厚或稍扁平；网状，不黏的种皮被弄湿；子叶现任的或很少依着。

Seeds uniseriate, winged, margined, or wingless, oblong or ovate, plump or slightly flattened; seed coat reticulate, not mucilaginous when wetted; cotyledons accumbent or incumbent.

种子单列，具翅，边缘，或无翅，长圆形或卵形，肥厚的或稍扁平；网状，不黏的种皮被弄湿；子叶依着的或现任。

Eyes dark brown in color, oval in shape, bright and expressive, of medium size set fairly well apart but forward looking, giving an apelike expression.

眼睛：深褐色，卵形，明亮而富于表情，中等大小，距离分的较开，但目光是正向前方的，有一种猿一样的表情。

Stamens 6, tetradynamous; filaments wingless or uni- or bilaterally winged, appendaged or not, toothed or toothless; anthers ovate or oblong, apiculate or not at apex.

雄蕊6，四强雄蕊；两侧具翅的花丝无翅或一或，附属物与否，无牙的齿或；花药卵形或长圆形，具细尖的或并非在先端。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。